Home / 50,870.45-70,201.61-28,208.12

Finding the Fourth Proportional to 50,870.45, 70,201.61 and 28,208.12

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Solution

The fourth proportional to 50,870.45, 70,201.61 and 28,208.12 is: 38,927.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,870.45 : 70,201.61 = 28,208.12 : x
  2. Step 2: Convert to fraction form
    50,870.45/70,201.61 = 28,208.12/x
  3. Step 3: Cross multiply
    50,870.45x = 70,201.61 × 28,208.12
  4. Step 4: Simplify right side
    50,870.45x = 1,980,255,158.59
  5. Step 5: Solve for x
    x = 1,980,255,158.59/50,870.45
  6. Step 6: Final answer
    x = 38,927.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.